Larson Davis Spartan 821 - Page 4

Spartan 821/721 Manual ii-2
3.8 Ln Settings
3.9 Community Noise Settings
3.10 Markers Settings
Chapter 4 Managing Measurement Data Files . . . . . . . . . . . . . . . . . . . . . . . 35
4.1 Utilizing the Files View
4.1.1 Viewing a Measurement Data File
4.2 Managing SD Card Storage
4.2.1 Preparing a MicroSD Card For Use
Chapter 5 System Tools and Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
5.1 Utilizing the Meter Lock
5.2 About This Meter
5.3 Troubleshooting the 721 or 821
5.4 Troubleshooting File Storage
Chapter 6 Software, Firmware, and Options . . . . . . . . . . . . . . . . . . . . . . . . 41
6.1 Updating the G4 LD Utility Software
6.2 Upgrading 721 or 821 Firmware or Options
Appendix A Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
A.1 Instrument Hardware Specifications
A.1.1 Compliance or Standards Met
A.1.2 Hardware Physical Specifications
A.1.3 Typical Electrical Frequency Response
A.1.4 Microphone Model 377B02 Filter Response and Corrections
A.1.5 Microphone Model 375A04 Filter Response and Corrections
A.1.6 Hardware Interface Specifications
A.1.7 USB Client Interface Specifications
A.1.8 Bluetooth™ Low Energy Interface
A.1.9 AC/DC Output Specifications
A.1.10 Wireless Charger Specifications
A.1.11 External DC Power Supply Specifications
A.1.12 Battery Power Specifications
A.1.13 Instrument Date and Time Specifications
A.1.14 Data Storage Specifications
A.1.15 Electrostatic Discharge Specifications
A.1.16 Environmental Conditions Specifications
A.1.17 Mechanical Vibration Effects Recommendations